The generic pushbutton, IN 2.0, might be a hardware (momentary pushbutton) or software (HMI momentary PB) button. It replicates a toggling pushbutton that may be either hardware or software based. The simple logic above performs an important function that is often needed in a PLC program. They may not seem advanced to everyone who reads this blog, but these 300 level topics will be things that as far as I know aren’t really covered anywhere else. ![]() By advanced, I mean that rather than covering basic information on Ladder Logic and program structure like I did in my 100 Series, or general programming routines as I did in the 200 Series, I am going to cover some of the “tricks” and techniques that are used in PLC programming. ![]() ![]() Today’s post is the first “advanced” topic I have covered in this blog.
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